I was trying to take the online assessment, but there was some issue with the flash player on the browser. It asked me to reinstall flash and try again. But after I closed the browser and logged in again I am unable to take the test. I did email the HR. Are they good about resetting it? Or that was my only chance.

The first attempt says incomplete with a total time of 22 seconds.

They're good about resetting. However a phone call to them might yield better results than e-mail.